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High-resolution climate simulations using the Model for Prediction Across Scales - Atmosphere (MPAS-A; version 5.1)

Citation

Michaelis, Allison; Turnau, Roger; Lackmann, Gary; Robinson, Walter (2022), High-resolution climate simulations using the Model for Prediction Across Scales - Atmosphere (MPAS-A; version 5.1), Dryad, Dataset, https://doi.org/10.5061/dryad.8cz8w9gtp

Abstract

We present multi-seasonal simulations representative of present-day and future environments using the global Model for Prediction Across Scales – Atmosphere (MPAS-A) version 5.1 with high resolution (15 km) throughout the Northern Hemisphere. We select 10 simulation years with varying phases of El Niño–Southern Oscillation (ENSO) and integrate each for 14.5 months. We use analyzed sea surface temperature (SST) patterns for present-day simulations. For the future climate simulations, we alter present-day SSTs by applying monthly-averaged temperature changes derived from a 20-member ensemble of Coupled Model Intercomparison Project phase 5 (CMIP5) general circulation models (GCMs) following the Representative Concentration Pathway (RCP) 8.5 emissions scenario. Daily sea ice fields, obtained from the monthly-averaged CMIP5 ensemble mean sea ice, are used for present-day and future simulations.

Due to storage limitations, the full dataset is much too large to be published (~50TB). Instead, a subset consisting of 6-hourly warm season (May-September) 2-meter temperature, precipitation, and 500hPa height is presented. If you wish to access the full dataset (as presented in Michaelis et al. 2019), please contact one of the authors.

Methods

See Michaelis et al. 2019 for details on the creation of this dataset.

Usage Notes

The files included are in NetCDF4 format so the program or programming language used needs to be capable of processing it. Python and MATLAB are both good options.

Funding

National Science Foundation, Award: AGS-1560844

National Science Foundation, Award: AGS-1546743